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Add 15/90 and 14/70

15/90 + 14/70 is 11/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 70 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    15/90 = 15 × 7/90 × 7 = 105/630
  3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
    14/70 = 14 × 9/70 × 9 = 126/630
  4. Add the two fractions:
    105/630 + 126/630 = 105 + 126/630 = 231/630
  5. 231/630 simplified gives 11/30
  6. So, 15/90 + 14/70 = 11/30

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